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齿轮及其支架初高中物理实验器材科 教仪器教师教学演示
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USD $1.69 | 100 piece available |
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USD $1.69 | 100 piece available |
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Packaging information
CTN Size: 55 × 32 × 32 cm
G.W./CTN:3 kg
QTY/CTN:20 piece/carton
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